Investigating the ratcheting and shakedown behavior of a carbon steel sheet under cyclic thermal loading and axial loading using Bree diagram

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Shahrjerdi A.; Heydari H.R.

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Journal Paper

Paper Information

Journal: Journal of Solid and Fluid Mechanics Year:2022 | Volume:11 | Issue:6 Page(s): 143-157

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Information Journal Paper

Title

Investigating the ratcheting and shakedown behavior of a carbon steel sheet under cyclic thermal loading and axial loading using Bree diagram

Author(s)

Shahrjerdi A. | Heydari H.R. | Issue Writer Certificate

Keywords

Ratcheting

Shakedown

Bree diagram

cyclic loading

Cyclic thermal loading

Abstract

Ratcheting is known as the accumulation of plastic strains resulting from cyclic loadings. In this research, the simulation of a S275 carbon steel sheet's behavior subjected to Cyclic thermal loading and axial load has been investigated. This analysis was performed using the finite element method and employing Ansys Parametric Design Language (APDL). This study investigates the Bree diagram and simulates the behaviors specified in this diagram concerning temperature and pressure parameters. According to the results, it turned out that the ratchet strain is always larger in the first cycles than in subsequent cycles. Nevertheless, the plastic strain during cyclic thermal load is equal to the plastic strain while removing the cyclic thermal load in the plastic area. In the Shakedown area, after the first plastic strain, elastic behavior occurs in the sheet. Finally, it was found that Bree's diagram has a unique application in predicting the behavior of different types of sheets, and sheets with any dimensions and material can be used to study the behavior of Shakedown, Ratcheting, elasticity, and plasticity.

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